22012233211 has 4 divisors (see below), whose sum is σ = 22012534912. Its totient is φ = 22011931512.

The previous prime is 22012233151. The next prime is 22012233223. The reversal of 22012233211 is 11233221022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22012233211 - 2⁷ = 22012233083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012233281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34525 + ... + 212641.

It is an arithmetic number, because the mean of its divisors is an integer number (5503133728).

Almost surely, 2^22012233211 is an apocalyptic number.

22012233211 is a deficient number, since it is larger than the sum of its proper divisors (301701).

22012233211 is a wasteful number, since it uses less digits than its factorization.

22012233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301700.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22012233211 its reverse (11233221022), we get a palindrome (33245454233).

The spelling of 22012233211 in words is "twenty-two billion, twelve million, two hundred thirty-three thousand, two hundred eleven".